Chelsea Harvey covers climate science for Climatewire. She tracks the big questions being asked by researchers and explains what's known, and what needs to be, about global temperatures. Chelsea began writing about climate science in 2014. Her work has appeared in The Washington Post, Popular Science, Men's Journal and others.
Among natural disasters, tornadoes are notoriously difficult to predict. They require a complex set of conditions in order to form, some of which scientists still don't fully understand, and forecasting is rarely accurate more than a week or two in advance.
In an apparent disappointment for President Trump, the Danish government has made it clear: Greenland is not for sale.
As the Arctic is heating up, so is a contentious scientific debate about its influence on global weather patterns.
The world is gradually becoming less green, scientists have found. Plant growth is declining all over the planet, and new research links the phenomenon to decreasing moisture in the air — a consequence of climate change.
Climate change is causing ice loss from Antarctica to accelerate, heightening scientists' concerns about the future of the ice sheet. But in a twist, the growing losses may also be altering the pace of global warming.